TUFLOW Message 3201

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TUFLOW Message
ERROR 3201: Error in U face proxy: face <id>, proxy face = <id>, proxy cells <id> and <id> not within the same sub-subdomain

Alternate Message
NA

Message Type
ERROR

Description
Materials may use use either fixed mannings, depth-varying mannings, or log-law roughness formulations for bed resistance. When utilising log-law roughness, a maximum limit for equivalent mannings number is required as the formulation becomes singular at shallow depths. This limit, provided as the fixed mannings n value in the material data, must be greater than zero.

Suggestions
Ensure that all materials that utilise log-law roughness have positive values for mannings n.


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